| 摘要 |
<p>PURPOSE:To obtain a deinking agent showing excellent ink eliminating ability, excellent operation, providing deinked pulp having especially high b value and a small amount of unreleased ink in flotation method, cleaning method or a mixed method thereof in regenerating old paper. CONSTITUTION:A deinking agent comprising a mixture which is a mixture of 8-24C higher fatty acid or salt thereof wherein the average number of carbons of fatty acid in the mixture is 12.7-22.5, content of 20-24C higher fatty acid or salt thereof is 9.6-70.6wt.% and iodine value (IV) is <=45, as an essential component.</p> |
